build an app

i want an app a social media platform like watsapp but totally different. it should have attractive features like cool imoji different from other apps different and unique [login to view URL] color not green or blue either a creative or mixed color will do, then the wallpaper should be gif and normal wallpaper it should have a place were you can decide and be able to select what type of gif or wallpaper with different verities, the notification tone should be creative also, the user should be able to choose what color he/she likes but the app should have a particular color. of course the user should be able to send/receive songs,videos,document all kind. another unique one their should be a session were you can know who viewed your profile picture. again friends you can get friends from facebook,twitter etc of course user can create group and broadcast message, status online or offline more still to come.